package cn.guangtong.utils;

import java.util.List;

public class ListToString {

	public String listToString(List<String> list){
	      if(list==null){
	      return null;
	   }
	   StringBuilder result = new StringBuilder();
	   boolean first = true;
	   //第一个前面不拼接","
	   for(String string :list) {
	      if(first) {
	         first=false;
	      }else{
	         result.append(",");
	      }
	      result.append(string);
	   }
	   return result.toString();
	}
}
